Power Management Function (Acpi Support Function) - Acer Power Sx Service Manual

Power Management Function (ACPI support function)

Device Standby Mode
Independent power management timer for hard disk drive devices
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(0-15 minutes, time step=1 minute).
Hard disk drive goes into Standby mode (for ATA standard interface).
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Disable V-sync to control the VESA DPMS monitor.
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Resume method: device activated (Keyboard for DOS, keyboard & mouse for Windows).
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Resume recovery time: 3-5 sec.
!
Global Standby Mode
Global power management timer (2-120 minutes, time step=10 minute).
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Hard disk drive goes into Standby mode (for ATA standard interface).
!
Disable H-sync and V-sync signals to control the VESA DPMS monitor.
!
Resume method: Return to original state by pushing external switch button, modem ring in,
!
keyboard and mouse for APM mode.
Resume recovery time: 7-10 sec.
!
NOTE: AcerPower Sc : Resume method: Return to original state by pushing external switch button, keyboard
and mouse for ACPI mode
Suspend Mode
Independent power management timer (2-120 minutes, time step=10 minutes) or pushing external
!
switch button.
CPU goes into SMM.
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CPU asserts STPCLK# and goes into the Stop Grant State.
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LED on the panel turns amber colour.
!
Hard disk drive goes into SLEEP mode (for ATA standard interface).
!
Disable H-sync and V-sync signals to control the VESA DPMS monitor.
!
Ultra I/O and VGA chip go into power saving mode.
!
Resume method: Return to original state by pushing external switch button, modem ring in,
!
keyboard and mouse for APM mode.
Return to original state by pushing external switch button, modem ring in and USB keyboard for
!
ACPI mode.
NOTE: AcerPower Sc : Resume method: Return to original state by pushing external switch button, keyboard
and mouse for ACPI mode
ACPI
ACPI specification 1.0.
!
S0, S1, S3 and S5 sleep state support.
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On board device power management support.
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On board device configuration support.
!
NOTE: AcerPower Sc : ACPI specification 1.0b.
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